1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - Initial contribution |
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11 * |
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12 * Contributors: |
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13 * Ixonos Plc |
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14 * |
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15 * Description: |
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16 * |
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17 */ |
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18 |
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19 |
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20 //----IMAAMI---- |
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21 //************************************************************************* |
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22 //DCDithering.h |
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23 // |
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24 //Version 1.00 |
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25 // |
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26 //Contains: |
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27 // CDCDithering |
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28 // Dithering by H263 algorithm developed in /. |
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29 // |
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30 //History: |
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31 // 19.08.2003 version 1.00 created using existing algorithms |
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32 //************************************************************************* |
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33 |
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34 |
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35 |
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36 /* |
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37 ----------------------------------------------------------------------------- |
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38 |
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39 DESCRIPTION |
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40 |
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41 Defines the dithering class. |
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42 |
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43 ----------------------------------------------------------------------------- |
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44 */ |
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45 |
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46 #ifndef __DCDithering_H__ |
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47 #define __DCDithering_H__ |
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48 |
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49 |
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50 |
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51 // INCLUDES |
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52 #ifndef __E32STD_H__ |
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53 #include <e32std.h> // for Fundamental Types |
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54 #endif // __E32STD_H__ |
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55 #ifndef __E32BASE_H__ |
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56 #include <e32base.h> // for CBase |
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57 #endif // __E32BASE_H__ |
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58 |
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59 |
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60 |
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61 //Class definition |
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62 class CDCDithering : public CBase |
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63 { |
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64 public: |
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65 |
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66 CDCDithering(); // Constructor |
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67 static CDCDithering* NewL(); // Factory function |
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68 static CDCDithering* NewLC(); // Factory function |
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69 ~CDCDithering(); // Destructor |
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70 void ConstructL(); // Second Phase contructor (may leave) |
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71 |
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72 // Process and store image referenced by aBPtr |
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73 void ProcessL(CFbsBitmap& aBPtr); |
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74 |
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75 private: |
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76 |
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77 // Limit integer value to byte [0,255] |
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78 static inline TUint8 Limit255(TInt i) {return (TUint8)(i<0?0:(i>255?255:i));} |
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79 |
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80 // Scan line buffer |
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81 HBufC8* iScanLineBuffer; |
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82 }; |
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83 |
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84 #endif // __DCDithering_H__ |
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85 // End of File |
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86 //----IMAAMI---- |
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